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I <br />I <br />I <br />I <br />! <br />I <br />I <br /> <br />Advantages <br /> <br />For the most part, the culverts will remain free of standing water, The 54" <br />R¢'2 could potentially have 2 feet of standing water and portions of the 48" <br />RCP 1 foot of standing water. <br />The trunk storm sewer could be phased since the pond outlet is not <br />dependent on the trunk west of the control structure. <br /> <br />Disadvantaqes <br /> <br />The cost is $50,000 more than Alternative 1. <br />This alternative provides less flood protection than Alternatives 1, 2, ~nd <br />3. <br /> <br />Sum,nary °-f Ai2e~'n.ative 5 <br /> <br />I <br />I <br /> <br />.D...escriDtio~ <br /> <br />Alternative 5 is similar to Altemative 4 except that flows above elevation 854 would be <br />conveyed to the ~-.,×istbg Tungsten Street storm sewor system. The total cost of this <br />alternative is $470,238, <br /> <br />Advanta.qes. <br /> <br />For ~he most part, the culverts will remain free of standing water. The 54" <br />RCP could potentially have 2 feet of standing water and portions of the 48" <br />RCP 1 foot of standir)g water, <br />The. trunk storm sewer could be phased since the pond outlet is not <br />dependent on the trunk west of the control structure, <br /> <br />Disadvantacles <br /> <br />· <br /> <br />· <br /> <br />The cost is $80,000 more than Alternative 1. <br />This alternative provides less flood protection than Alternatives 1, 2 and 3. <br />A portion of Tungsten Street will need to be reconstructed to install the <br />outlet. <br />Approximately 210 feet of pipe would need to be jacked under Highway <br />10, It may be difficult to control the pipe invert at the proposed slope of <br />· 0,15%. <br />Discharging to the Tungsten Street storm sewer would influence the <br />existing flood elevation in that system, <br /> <br />Page 3 of 3 <br />\~HaOl\$hared Oocs\MunlclpaN~,RAMSEY~417~RA417AItSurnrnarlas.doc <br /> <br /> <br />